Finding the Fourth Proportional to 5,316,402.24, 7,974,217.62 and 2,077,330.86
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Solution
The fourth proportional to 5,316,402.24, 7,974,217.62 and 2,077,330.86 is: 3,115,845.57
Step by Step Solution
- Step 1: Write the proportion equation
5,316,402.24 : 7,974,217.62 = 2,077,330.86 : x - Step 2: Convert to fraction form
5,316,402.24/7,974,217.62 = 2,077,330.86/x - Step 3: Cross multiply
5,316,402.24x = 7,974,217.62 × 2,077,330.86 - Step 4: Simplify right side
5,316,402.24x = 16,565,088,346,381.75 - Step 5: Solve for x
x = 16,565,088,346,381.75/5,316,402.24 - Step 6: Final answer
x = 3,115,845.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.